answersLogoWhite

0


Best Answer

Prime factor the 2.
45 = 9x5 = 3x3x5
81 = 9x9 = 3x3x3x3

Your LCM will contain all the multiples of both numbers. 45 has 2 threes and 1 five. 81 has 3 threes. Together you need 4 threes and 1 five to cover both numbers. Therefore your LCM = 3x3x3x3x5 = 405.

User Avatar

Wiki User

โˆ™ 2009-11-17 23:30:25
This answer is:
User Avatar
Study guides

Algebra

20 cards

A polynomial of degree zero is a constant term

The grouping method of factoring can still be used when only some of the terms share a common factor A True B False

The sum or difference of p and q is the of the x-term in the trinomial

A number a power of a variable or a product of the two is a monomial while a polynomial is the of monomials

โžก๏ธ
See all cards
3.75
โ˜†โ˜…โ˜†โ˜…โ˜†โ˜…โ˜†โ˜…โ˜†โ˜…
1052 Reviews

Add your answer:

Earn +20 pts
Q: What is the Lowest Common Multiple of 45 and 81?
Write your answer...
Submit
Still have questions?
magnify glass
imp
People also asked